Pre-comp Biology

Biology

100

• The ability for the body to maintain a stable internal environment even though it is very cold outside is called

Homeostasis

200

• A ____ is actually layers of dead, tightly packed, keratin-filled cells.

Hair

300

lists the way your body is organized from least complex to most complex

cells, tissues, organs, organ systems, organism

400

The energy-converting cell organelles

Mitochondria

500

The organ responsible for water absorption in the digestive system.

Large Intestine

Biology

100

• What do ligaments hold together in a joint?

Bones

200

• How many bones does the average adult human skeleton have?

206

300

• The type of tissue that supports and protects organs is

Connective tissue

400

• The part of the cell forms a barrier between the cell and its environment

Plasma membrane or Cell membrane

500

The name of the oxygen-carrying protein gives the red blood cell its red color.

Hemoglobin

Biology

100

What kind of muscle makes up the heart?

Cardiac muscle

200

• Hair would be dry and brittle without the presence of _______

Keratin

300

• The material within bones that makes blood cells is called

Bone marrow

400

• The organelle breaks down organelles that are no longer useful.

Lysosome

500

The kind of muscle that can be found in the walls of blood vessels and in the digestive tract

Smooth muscle

Biology

100

• What makes the large arteries withstand high pressure at which the heart pumps blood.

Large arteries have thick, elastic walls.

200

• A muscle that bends part of your body is called

Flexor

300

• The group of cells that are alike and work together.

Tissue

400

The flow of blood from the heart to the lungs and back to the heart is _________ circulation.

Pulmonary circulation

500

The cell organelle that are found in plant cells but not in animal cells.

Plastid (chloroplast)

Biology

100

Blood travels through blood vessels in two circuits. The path of blood that includes the aorta is the ________.

Systemic circulation

200

The organ where lymphocytes mature into T cells

Thymus

300

A clear, watery fluid that collects wastes, bacteria and excess fluid from tissues.

Lymph

400

• The top layer of the epidermis is made of __________

Dead keratinocytes

500

Function of the nucleus

Store DNA